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1、unit 13 we are trying to save the earth 每课的练习题语言目标 谈论污染和环境保护。 Section A 重点 短语 1.make a difference 起作用;有影响 2. take part in 参加 3. turn off 关掉 4.
2、60;pay for 付费;付出代价 5. cut down 减少 6. lead to 导致 7. hear of 听说 8. cut off 切除 Section A (1a-2d) 【基础预习】 I. 写出下面单词的意思。 1. littler _ 2. bottom _
3、;3. fisherman _ 3. coal _ 5. ugly _ 6. advantage _ 7. cost _ 8. wooden _ 9. plastic _ II. 把下面的短语与汉语意思搭配。 1. make a difference A. 参与 2.
4、160;cut down B. 充满 3. lead to C. 减少 4. be full of D. 起作用 5. play a part in E. 导致 通往【重点讲练】 辨析:tur
5、n, get 与become become多指身份、职位等的变化,它强调变化的过程已经完成,后面可接名词或形容词。 He becomes a teacher. 他成了一名老师。 get多用于口语,表示一种变化过程,强调的是“渐渐变得”,后常接形容词的比较级形式。 In winter the days get shorter. 冬季白天变得较短。 turn指在颜色和性质等方面与以前
6、的完全不同,强调变化的结果山里的树叶已变成了棕色。 【小试牛刀】用turn, get 和become填空。 Her mother _ angry when she heard the news. 2Its_ darker and darker outside. The milk has _ bad. cut off
7、0; 切断;切除 cut into 把切成 cut up 切碎 cut in 插队 【小试牛刀】单项选择 Did you tell it to Jack? Yes, but we were _ in the middle of our telephone con
8、versation. A. cut down B. cut off C. cut up D. cut into 辨析:spend, cost, take, pay 花费 主语 表示的内容 【小试牛刀】单项选择 1. Do you take e
9、xercise every day? Yes. I always _thirty minutes after supper. A. spend B. cost C. take D. pay 2. I _ $300 for the bike. A. took
10、 B. spent C. cost D. paid 【达标训练】 . 用方框中所给词的适当形式填空。 cost, wood, coal, bottom, litter 1. Dont throw_ (垃圾) everywhere. 2. In winter, many people burn _ (煤
11、) to keep warm. 3. The police found a body at the _ (底部) of the lake. 4. The _ (费用) of living in big cities is very high. 5. He
12、;keeps a rabbit in a big _ (木制的) box. II. 单项选择。 1. He _ go out with his parents, but now he _ staying at home alone. A. used to; is u
13、sed to B. is used to; used to C. use to; is used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. spent B.
14、 took C. paid D. cost 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in
15、;4. Smoking can _ lung cancer. Youd better give it up. A. work on B. lead to C. take away D. put out 5. What are the _
16、;of bike riding? It can help cut down air pollution. A. advantages B. reasons C. results D. ideas III. 根据汉语提示完成下面的句子。 2. 这个木箱时装满了书。
17、0; The _ box _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy foods _ _ _ _ the spread of the illness4. 这条小路通向公园。 The path _ _ the
18、160;park. 5. 我错拿了你的包。 I took your bag _ _ mine by mistake. Section A (3a-4c) 【基础预习】 I. 根据汉语提示写出下面句中所缺的单词。 1. I have a simple and easy _ (方法) to
19、0;solve the problem. 2. We shouldnt be _ (残忍的) to animals. 3. Its _ (有害的) to your health to drink to much. 4. The city is the _ (工业) cent
20、er of the country. 5. The car is too expensive, I cant _ (买得起) it. II 翻译1. take part in _ 2. turn off _ 3. pay for _ 4. hear of _
21、;5. be harmful to _【小试牛刀】改为同义句。 Reading in the sun does harm to our eyes. Reading in the sun _ _ _ our eyes. 2. Have you ever taken part in
22、0;an environmental project? 你曾经参加过环境保护活动吗? 辨析:join, join in 和take part in 加入组织,团体,党派等,有作 join 为其中的一个成员的含义。 后面也可以加表示人的名词,表示和某人一起参加某活动。 join in 加入一种具体活动。 take part in 指参加会议
23、或群众性活动等,着重说明句子主语参加该项活动 afford是动词,意为买得起,担负得起,通常与can, could, be able to连用,多用于否定句中。 I. 用方框中词的适当形式完成下面的句子。 method, cruel, harmful, afford, law 1. I think its _ to make such a young b
24、oy work all day. 2. The poor fisherman cant _ his childrens education. 3. I think the government must develop _ to protect environment. 4. Eating too muc
25、h junk food is _ your health. 5. He can use different _ to work out the problem. II. 单项选择。 1. Are you going to _ any of the events?
26、Yes. Maybe long jump and high jump. A. take part in B. join C. attend D. join in 2. I cant afford _ him an expensive
27、;birthday present. A. to buy B. buying C. for buying D. buy 3. Remember to _ the lights when you leave the room. OK. I
28、160;will. A. turn on B. turn down C. turn up D. turn off 4. The girl always has some money to _ snacks. A. spend
29、160; B. pay for C. take D. cost 5. Look! _ boys are playing on the playground. Yes. _ them is about 200. A. The number
30、60;of; A number of B. The number of; The number of C. A number of; the number of D. A number of; A number of III. 根据汉语提示完成句子。
31、60;1. 我们必须采取行动来阻止他们。 We must _ _ to stop them. 2. 我从没听说过这个人。 I have never _ _ such a man. 3. 我们乐意尽力帮你摆脱困境。 We are glad t
32、o do what we can do _ _ _. 4. 到目前为止,我已经交了二十个朋友。 _ _, I have made twenty friends. 5. 实际上,她从没去过那儿。 _ _, she has never been there. S
33、ection B (1a-2e) 【基础预习】 I. 写出下面单词的意思。 1. recycle _ 2. gate _ 3 bottle _ 4. president _ 5. work _ 6. metal _ II.连线匹配,完成短语 1. throw away A.
34、160;上下颠倒2. put sth. to good use B. 扔掉 3. pull down C. 恢复 4. bring back D. 拆下 5. upside down E. 好好利用 【小试牛刀】单项选择。 3. 1. This
35、is my twin sister, Lucy. Not only she but also I _ good at drawing. A. is B. am C. are D. was 【达标训练】 4. I. 用方框中单词的适当形式完成下
36、面的句子。 recycle, gate, bottle, president, work 1. Mr. Wang is the _ of the company. 2. The young man likes Lu Xuns _. 3. Could you please give me a
37、60;_ of water? 4. Tom! Someone is waiting for you at the school _. 5. We should _ garbage, not burn it. II. 单项选择。 1. Your coat looks nic
38、e. Its made _ cotton. And it was made _ Shanghai. A. in; by B. from; by C. by; in D. of; in 2. _ he _ I have been to
39、60;Beijing. Really? When did you do there? A. Not only; but also B. Neither; nor C. Either; or D. Too; to 3. The old city walls
40、 are dangerous. So they will be _ soon. A. pulled down B. pulled out C. pulled over D. pulled off 4. The old man built himself
41、160;a house _ wood. A. out of B. in to C. to use D. in for 5. They decided to _ a small business to make
42、;some money. A. set up B. put up C. take up D. go up III. 根据汉语提示完成句子。 1. 她扔掉了昨天的报纸。 She _ _ yesterdays newspaper. 2. 我在新
43、的工作中充分地利用了我的经验。 I _ my experience _ _ _ in my new work. 3. 请别将杯子倒置。 Please dont turn the cup _ _. 4. 这些照片唤起了我美好的回忆。 The photos
44、_ _ lots of good memories. 5. 杭州以龙井茶而闻名。Hangzhou is well _ _ its Longjing Tea. Section B (3a-self check) 【重点讲练】 1. My alarm clock doesnt work. It needs
45、160;_. A. to be repaired B. repair C. to repair D. for repairing 2. His death was _ by a high fever. A. spread
46、60;B. caused C. got D. showed 3. His mother _ a worker in that factory. A. used to be B. used C. used to being
47、0;D. used be 4. Your classroom is very clean. Sure. It _ after school every day. A. is cleaned B. cleans C. cleaned
48、60;D. is cleaning 5. Hes never stolen anything before, _he? _. Its his second time to be taken to the police station. 1. Both Tom and I were in
49、;the school library yesterday. _ _ Tom _ _ I was in the school library yesterday.2. Reading in bed does harm to your eyes. Reading in bed _ _
50、 _ your eyes. 3. The old car caused me lots of trouble. The old car caused _ _ trouble _ me. 4 He spent ten yuan on the book.
51、; He _ ten yuan _ the book. 5. My hair needs cutting. My hair needs _ _ _. I. 用所给词的适当形式填空。 1. The old man used _ (be) a teach
52、er. 2. We should _ (clean) the room every day. 3. Look! Tom _ (sleep) in his room. 4. Lots of trees _ (plant) on the hill every year.
53、60;5. He _ (live) here for 20 years. II. 单项选择。 1. He promised to pick me up at the school gate. However, he _ yet. A. didnt arriv
54、e B. doesnt arrive C. isnt arriving D. hasnt arrived 2. Ba Jin, one of the greatest writers in China, _ as
55、;Peoples Writer. A. is regarded B. has regarded C. is regarding D. regards 3. Where is Tom? He _ in his room. A. is reading
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